EP0881806A3 - Frame structure with a plurality of modulation formats - Google Patents
Frame structure with a plurality of modulation formats Download PDFInfo
- Publication number
- EP0881806A3 EP0881806A3 EP98401254A EP98401254A EP0881806A3 EP 0881806 A3 EP0881806 A3 EP 0881806A3 EP 98401254 A EP98401254 A EP 98401254A EP 98401254 A EP98401254 A EP 98401254A EP 0881806 A3 EP0881806 A3 EP 0881806A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- modulation
- time interval
- frame structure
- modulation formats
- symbol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9701167 | 1997-05-29 | ||
ES9701167 | 1997-05-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0881806A2 EP0881806A2 (en) | 1998-12-02 |
EP0881806A3 true EP0881806A3 (en) | 2002-04-03 |
EP0881806B1 EP0881806B1 (en) | 2005-02-23 |
Family
ID=8299494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98401254A Expired - Lifetime EP0881806B1 (en) | 1997-05-29 | 1998-05-27 | Frame structure with a plurality of modulation formats |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0881806B1 (en) |
JP (1) | JPH1141302A (en) |
KR (1) | KR19980087452A (en) |
CN (1) | CN1201303A (en) |
AU (1) | AU6804298A (en) |
CA (1) | CA2236686A1 (en) |
DE (1) | DE69829096T2 (en) |
SG (1) | SG71793A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69827885T2 (en) * | 1997-09-02 | 2005-12-01 | Alcatel | Method for generating a multimodulation frame and associated modulator |
US6473506B1 (en) * | 1998-10-13 | 2002-10-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Signaling using phase rotation techniques in a digital communications system |
US7120208B1 (en) | 2000-03-23 | 2006-10-10 | Advanced Micro Devices, Inc. | Device and method for adjusting input gain for multiple signal formats in a data network |
KR100377790B1 (en) * | 2000-09-19 | 2003-03-26 | 삼성에스디에스 주식회사 | Apparaus and Method for mobile commununication using backscattering of carrier |
WO2005055541A1 (en) * | 2003-12-04 | 2005-06-16 | Koninklijke Philips Electronics N.V. | Avoidance of discontinuities when switching between modulation schemes |
JP4448168B2 (en) | 2004-03-04 | 2010-04-07 | クゥアルコム・インコーポレイテッド | Method and apparatus for achieving a smooth transition between adjacent symbol bursts transmitted in different modulation formats |
DE102004052897B4 (en) | 2004-11-02 | 2017-03-30 | Intel Deutschland Gmbh | Radio receiver and method for receiving data bursts modulated with two types of modulation |
JP4554451B2 (en) * | 2005-06-29 | 2010-09-29 | 京セラ株式会社 | COMMUNICATION DEVICE, COMMUNICATION SYSTEM, MODULATION METHOD, AND PROGRAM |
JP4800124B2 (en) * | 2006-06-28 | 2011-10-26 | ルネサスエレクトロニクス株式会社 | Transmission circuit and transmitter using the same |
US8064848B2 (en) * | 2008-10-27 | 2011-11-22 | Mediatek Inc. | Transmitter and control method for transmitting and calibrating a phase signal and an amplitude signal |
JP5586538B2 (en) * | 2011-07-29 | 2014-09-10 | 株式会社東芝 | Wireless transmission device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0397077A2 (en) * | 1989-05-12 | 1990-11-14 | Fujitsu Limited | A system for interrupting a transmitter output wave |
WO1994000943A1 (en) * | 1992-06-23 | 1994-01-06 | Motorola, Inc. | Multi-modulation scheme compatible radio |
US5577087A (en) * | 1991-10-31 | 1996-11-19 | Nec Corporation | Variable modulation communication method and system |
US5604770A (en) * | 1994-10-13 | 1997-02-18 | Hewlett-Packard Company | PI/4 DQPSK modulation with coarse mapper precession and fine filter precession |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR940007469B1 (en) * | 1991-05-23 | 1994-08-18 | 삼성전자 주식회사 | Frequency source circuit of handy-phone |
US5347537A (en) * | 1992-03-17 | 1994-09-13 | Clarion Co., Ltd. | Spread spectrum communication device |
DE4225821A1 (en) * | 1992-08-05 | 1994-02-10 | Sel Alcatel Ag | HF signal level adjustment control - has extra controllable converter stage between coupling stage and detector, forming preset magnitude envelope curve modulation |
-
1998
- 1998-05-25 AU AU68042/98A patent/AU6804298A/en not_active Abandoned
- 1998-05-27 EP EP98401254A patent/EP0881806B1/en not_active Expired - Lifetime
- 1998-05-27 DE DE69829096T patent/DE69829096T2/en not_active Expired - Fee Related
- 1998-05-27 CN CN98109331A patent/CN1201303A/en active Pending
- 1998-05-28 KR KR1019980019449A patent/KR19980087452A/en not_active Application Discontinuation
- 1998-05-28 SG SG9801222A patent/SG71793A1/en unknown
- 1998-05-28 CA CA002236686A patent/CA2236686A1/en not_active Abandoned
- 1998-05-29 JP JP10149500A patent/JPH1141302A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0397077A2 (en) * | 1989-05-12 | 1990-11-14 | Fujitsu Limited | A system for interrupting a transmitter output wave |
US5577087A (en) * | 1991-10-31 | 1996-11-19 | Nec Corporation | Variable modulation communication method and system |
WO1994000943A1 (en) * | 1992-06-23 | 1994-01-06 | Motorola, Inc. | Multi-modulation scheme compatible radio |
US5604770A (en) * | 1994-10-13 | 1997-02-18 | Hewlett-Packard Company | PI/4 DQPSK modulation with coarse mapper precession and fine filter precession |
Non-Patent Citations (1)
Title |
---|
SAMPEI S ET AL: "ADAPTIVE MODULATION/TDMA SCHEME FOR PERSONAL MULTI-MEDIA COMMUNICATION SYSTEMS", PROCEEDINGS OF THE GLOBAL TELECOMMUNICATIONS CONFERENCE (GLOBECOM). SAN FRANCISCO, NOV. 28 - DEC. 2, 1994, NEW YORK, IEEE, US, VOL. VOL. 2, PAGE(S) 989-993, ISBN: 0-7803-1821-8, XP000488685 * |
Also Published As
Publication number | Publication date |
---|---|
CN1201303A (en) | 1998-12-09 |
DE69829096T2 (en) | 2006-02-09 |
AU6804298A (en) | 1998-12-03 |
EP0881806B1 (en) | 2005-02-23 |
JPH1141302A (en) | 1999-02-12 |
SG71793A1 (en) | 2001-10-16 |
CA2236686A1 (en) | 1998-11-29 |
DE69829096D1 (en) | 2005-03-31 |
EP0881806A2 (en) | 1998-12-02 |
KR19980087452A (en) | 1998-12-05 |
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